7th Grade Science Resources 

Kelli Recher  Email:  krecher@hbgsd.us    Cell: 717-805-0761

Name of Resource

What Happens to Your Trash and Recyclables? - Google Expeditions

Publisher

New York Department of Sanitation

Standard

MS-ESS3-3 Earth and Human Activity -Apply scientific principles to design a method for monitoring and minimizing a human impact on the environment.

Description

Maybe it’s your job to take out the trash and the recycling. Or maybe you just see the sanitation workers throwing the trash bags or the recyclable glass and plastic and paper onto trucks and hauling it all away. Have you ever wondered what happens to the stuff you discard after it leaves the curb outside your house? In this Expedition, we’ll follow your trash and recyclables to important way stations on their way to landfills or reuse in someone else’s hands.

Questions

*3 guiding questions for students to explore

What are ways the NYC Sanitation is looking to go to zero waste?

  • They are creating (or have created programs to recycle the different kinds of materials that are found to be the largest problems for the city.

How does the lower East Side Ecology Center help reduce the waste put into landfills?

  • They try to refurbish items that have been collected and then resell them to help with the operating costs of the plant.

What kind of trash does your school produce?

  • Answers will vary - paper and trash from lunches will be a huge portion for waste at schools.  Doing a “Waste Stream Survey” will give the students accurate data from which to work.

Name of Resource

Green Business: Mackie’s Ice Cream Factory - Google Expeditions

Publisher

Twig World

Standard

ESS3.C: Human Impacts on Earth Systems - Human activities have significantly altered the biosphere, sometimes damaging or destroying natural habitats and causing the extinction of other species. But changes to Earth’s environments can have different impacts (negative and positive) for different living things. (MS-ESS3-3)

Description

In our lives, we have grown used to the cycle of production and consumption. This devastating pattern quickly uses up the earth’s resources. Mackie’s Ice Cream Factory has tried to change the way it produces its goods to ensure that it can operate sustainably. One of the ways it has done this is by installing wind turbines to produce electricity.  Students will be able to “visit” a wind farm and a solar farm that uses alternative energy resources. They will be able to see a business that not only focuses on the “bottom line” but also how that business has tried to reduce its carbon footprint by using alternative energy resources,

Questions

*3 guiding questions for students to explore

How do solar panels work?

  • The material in the panel absorbs energy from the sun and creates electrons that can be transferred into electric current.  This can be used to power machines.

What can a business do if it makes more energy than it uses?

  • The business can sell it back to the electric company when they have more than they need.

What  are the ways that Mackie’s Ice Cream Factory has tried to reduce its carbon footprint?

  • They use alternative energy sources, reuse their water, reduce their food miles and have even built an arboretum to provide habitat for wildlife and  reduce the carbon put out from their factory.

Name of Resource

Into the Cell - Google Cardboard

Publisher

Smart Sparrow

Standard

MS- LS1-1 - Develop and use a model to describe the function of a cell as a whole and ways the parts of cells contribute to the function.

Description

All living things are made of cells but what are the different types of cells and how do they look?  Dive into the world of cells and explore the difference between eukaryotic and prokaryotic cells, plant and animal cells and learn about the structures and functions of the organelles.

Questions

*3 guiding questions for students to explore

How are prokaryotic and eukaryotic cells different?

  • Prokaryotic cells are smaller than eukaryotic cells and do not have as many cell parts as eukaryotic cells.

What is the function of DNA and where is the DNA located in a cell?

  • DNA is found in the nucleus of the cell.  It is a blueprint that holds instructions for how to make every tissue in an organism as well as the chemical signals  they use to work together.

Most of the cells in your body are specialized (skin cells, nerve cells, muscle cells).  Which of these three types of cell would have the most mitochondria and why?

  • Muscle cells would contain the most mitochondria because the job of the mitochondria is to generate energy for the cell and muscles would need the most energy to operate.

Name of Resource

Human Anatomy - Respiratory System - Google Expeditions

Publisher

VidaSystems

Standard

MS -LS1-3 Use argument supported by evidence for how the body is a system of interacting subsystems composed of groups of cells.

Description

The respiratory system is the body’s structure that allows us to breath.  It is made up of several key areas including the nose and mouth, trachea and lungs.  The respiratory system works very closely with the circulatory system. The purpose of breathing is for the body to obtain oxygen, a helpful molecule, and release carbon dioxide which is waste. Oxygen and carbon dioxide are carried by the blood.  Breathing also allows us to talk. Students will be taken into the different parts of the respiratory system to see how these parts interact to function as a whole system.

Questions

*3 guiding questions for students to explore

What are the three parts of the respiratory system?

  • Lungs, mouth and nose

What is the purpose of the bronchi ?

  • The bronchi are lined with little hairs and mucus that catch dust and germs before they enter the lungs.

How does the circulatory system work with the respiratory system?

  • The heart (circulatory system) pumps blood into the lungs and then the lungs return oxygenated blood back to the heart which then gets sent to the rest of the body through the arteries.